fix: broken github issue links

Issue to issues
(No clue how that happened)

CHANGELOG.md

@@ -2,20 +2,20 @@
 
 ## 23.12.3
 - the speed of link highlighting in lists starting with 4 spaces or more was improved
-  [(for [#201](https://github.com/pbek/qmarkdowntextedit/issue/201))
+  [(for [#201](https://github.com/pbek/qmarkdowntextedit/issues/201))
 
 ## 23.12.2
 - link highlighting in lists starting with 4 spaces or more was fixed
-  [(for [#201](https://github.com/pbek/qmarkdowntextedit/issue/201))
+  [(for [#201](https://github.com/pbek/qmarkdowntextedit/issues/201))
 
 ## 23.12.1
-- reverted link fix of last release because of [#201](https://github.com/pbek/qmarkdowntextedit/issue/201)
+- reverted link fix of last release because of [#201](https://github.com/pbek/qmarkdowntextedit/issues/201)
 
 ## 23.12.0
 - the [QOwnNotesAPI Nextcloud App](https://apps.nextcloud.com/apps/qownnotesapi) was updated
   to version 23.12.0 to **support Nextcloud 28** (for [#46](https://github.com/pbek/qownnotesapi/issues/46))
 - a regression with falsely highlighting of links in 4-Spaces fence code blocks was fixed
-  (for [#199](https://github.com/pbek/qmarkdowntextedit/issue/199), thank you, @tim-gromeyer)
+  (for [#199](https://github.com/pbek/qmarkdowntextedit/issues/199), thank you, @tim-gromeyer)
 
 ## 23.11.3
 - if the current note is encrypted, read-only or the doesn't exist any more now